Home / 64,029.30-95,986.35-40,643.70

Finding the Fourth Proportional to 64,029.30, 95,986.35 and 40,643.70

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Solution

The fourth proportional to 64,029.30, 95,986.35 and 40,643.70 is: 60,928.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,029.30 : 95,986.35 = 40,643.70 : x
  2. Step 2: Convert to fraction form
    64,029.30/95,986.35 = 40,643.70/x
  3. Step 3: Cross multiply
    64,029.30x = 95,986.35 × 40,643.70
  4. Step 4: Simplify right side
    64,029.30x = 3,901,240,413.50
  5. Step 5: Solve for x
    x = 3,901,240,413.50/64,029.30
  6. Step 6: Final answer
    x = 60,928.99

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.